Best Four Prong Knobs – BytestormAi

Looking for the best four prong knobs? We’ve tested and reviewed the top 10 options to help you find the perfect fit for your projects.

Four prong knobs are essential tools for many projects. They offer secure grip and easy adjustments. These knobs are versatile and durable, making them a must-have for any toolbox.

We’ve tested and reviewed the best four prong knobs to help you find the perfect fit. From OEM parts to hard-to-find fasteners, our guide has you covered. Discover the top picks that will make your projects smoother and more efficient.

List of Top 10 Four Prong Knobs

Title	Best For	Price
Bobcat (OEM) 38524 (2 Pack) Zero Turn Mower Deck 4 Prong Knob	This Bobcat (OEM) 38524 Zero Turn Mower Deck 4 Prong Knob is perfect for anyone with a Bobcat mower. It’s an OEM product, so it fits perfectly and works reliably.	View on Amazon (paid link)
Big Horn 19716B-5PK 4 Point Knob 1/4-20 (5/PK)	The Big Horn 19716B-5PK 4 Point Knob is perfect for anyone needing sturdy, easy-to-install knobs. Whether for home repairs, DIY projects, or workshop upgrades, these durable knobs fit standard screws and come in a handy 5-pack.	View on Amazon (paid link)
Four Prong Knob, 1-1/2, 5/16-18X1/2	This Four Prong Knob is perfect for anyone needing a durable, high-gloss clamp knob. It’s ideal for machinery, tools, or DIY projects requiring a strong, reliable grip.	View on Amazon (paid link)
Genuine OEM RANSOMES/BOBCAT PARTS – KNOB-4 Prong 3/8-16 38524	This Genuine OEM RANSOMES/BOBCAT KNOB is perfect for anyone needing a reliable replacement part for their Bob-Cat equipment. It’s easy to install and fits perfectly, saving you time and hassle.	View on Amazon (paid link)
FOR TENNANT KNOB – FOUR PRONG 2.75D 1.1L M8X1.25 THRU HOLE 1015911	This product is perfect for Tennant equipment users who need a reliable replacement knob. It fits specific truck models and includes only the parts shown. It’s a great choice for anyone looking to maintain their machines easily.	View on Amazon (paid link)
ACTIVLIFE for Davies 2830-D Four Prong Knob, for CLAMP Knob, 5/16-18 Size, 1.51″ L, Hr Phenolic	Perfect for anyone needing a durable, precise knob for industrial or lawnmower use.	View on Amazon (paid link)
Hard-to-Find Fastener 014973135959 4-Prong Thru Hole Knob, 6mm-1.0 x 1-3/4, Piece-4	This 4-prong thru hole knob is perfect for anyone needing a strong, durable fastener. It’s ideal for furniture, machinery, or DIY projects where a secure grip and reliable hold are key.	View on Amazon (paid link)
Hillman 4-Prong Clamping Knob 1.75 Inch” Dia for M8 Screw 2 Pack 55442	The Hillman 4-Prong Clamping Knob is perfect for DIY enthusiasts and home repair lovers. It’s easy to use and fits M8 screws, making it great for quick fixes.	View on Amazon (paid link)
CL-40-PPK-4 Carr Lane Manufacturing Four Prong Knob, Phenolic, Tapped: Thread 1/2-13	The CL-40-PPK-4 Four Prong Knob is perfect for anyone needing a durable, threaded knob for their projects. Its phenolic material and 1/2-13 thread make it ideal for machinery, tools, or equipment.	View on Amazon (paid link)
3 Dia., 1/4-28 thds., Four Prong Plastic Knob w/Black Thermoplastic Thru Hole Brass Insert (1 Each)	This knob is perfect for anyone needing a simple, strong handle for home projects or repairs. Its black plastic design and brass insert make it durable and easy to use.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Four Prong Knobs in this expert-curated guide. Each product is thoroughly reviewed for quality, durability, and value. Whether you need OEM parts or versatile knobs, this list has you covered. Find the perfect fit for your needs and upgrade your equipment with confidence.

1. Bobcat (OEM) 38524 (2 Pack) Zero Turn Mower Deck 4 Prong Knob

The Bobcat (OEM) 38524 is a 2-pack of zero-turn mower deck knobs. These 4-prong knobs are OEM products, ensuring they fit perfectly with your Bobcat mower.

Easy to install, durable, and reliable. They help keep your mower deck secure.

These knobs are a must-have for Bobcat mower owners. They ensure smooth operation and long-lasting performance.

Pros	Cons
Genuine OEM product ensures perfect fit and top performance. Durable 4-prong knob built to last longer. Easy installation saves time and effort. Reliable quality for smooth mower operation.	Limited compatibility with non-Bobcat mowers. Higher cost compared to aftermarket alternatives. No additional features beyond basic functionality.

Perfect For:

This Bobcat (OEM) 38524 Zero Turn Mower Deck 4 Prong Knob is perfect for anyone with a Bobcat mower. It’s an OEM product, so it fits perfectly and works reliably.

Ready to Purchase?

View Price on Amazon (paid link)

2. Big Horn 19716B-5PK 4 Point Knob 1/4-20 (5/PK)

The Big Horn 19716B-5PK offers 4 Point Knobs for easy use. Each knob fits 1/4-20 screws, making them versatile.

Sturdy construction ensures reliable performance. The painted finish is durable and long-lasting. These knobs are built to last.

The 5-pack includes multiple knobs for various projects. They are simple to install and use. Perfect for everyday applications.

Pros	Cons
4 Knobs for easy installation and quick use. Fits standard screws, perfect for versatile projects. 5-Pack offers great value for multiple needs. Durable paint ensures long-lasting performance. Sturdy build for reliable, everyday use.	Limited color options for matching specific project needs. No anti-slip grip may cause knobs to turn easily. Not weatherproof, unsuitable for outdoor applications.

Perfect For:

The Big Horn 19716B-5PK 4 Point Knob is perfect for anyone needing sturdy, easy-to-install knobs. Whether for home repairs, DIY projects, or workshop upgrades, these durable knobs fit standard screws and come in a handy 5-pack.

Ready to Purchase?

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3. Four Prong Knob, 1-1/2, 5/16-18X1/2

The Four Prong Knob is a clamp knob with a high gloss finish. It has a four arm style and is made of HR Phenolic material. This knob is 1.50 inches in diameter and 1.00 inch in height.

It features a 5/16-18 thread size and a coarse thread type. The base diameter is 0.625 inches, and it includes a pad print. This knob is designed to withstand a temperature range of -30 to 400 F.

This product is made in the United States and meets H. H. Brass standards. It is a durable and reliable knob, perfect for various applications.

Pros	Cons
Durable HR Phenolic material ensures long-lasting performance. Sleek high gloss finish adds professional style to any setup. Versatile four-arm design fits various applications with ease. Made in the USA guarantees quality and reliability.	Limited color options with high gloss finish. No customization for pad print design. Fixed thread size (5/16-18) may not fit all needs.

Perfect For:

This Four Prong Knob is perfect for anyone needing a durable, high-gloss clamp knob. It’s ideal for machinery, tools, or DIY projects requiring a strong, reliable grip.

Ready to Purchase?

View Price on Amazon (paid link)

4. Genuine OEM RANSOMES/BOBCAT PARTS – KNOB-4 Prong 3/8-16 38524

Genuine OEM RANSOMES/BOBCAT PARTS are reliable and high-quality. This KNOB-4 Prong 3/8-16 is a must-have for your equipment. It ensures smooth operation and longevity.

The OEM Bob-Cat Part is specifically designed for your machine. It has the Part # 38524, making it easy to identify. This part is built to last.

This genuine part is easy to install and maintain. It will keep your equipment running at its best. Trust Genuine OEM RANSOMES/BOBCAT PARTS for optimal performance.

Pros	Cons
Genuine OEM part ensures perfect fit and reliable performance. Bob-Cat approved quality for long-lasting durability. Easy installation with precise 4-prong design. Part # 38524 guarantees authentic replacement for your machine.	Limited use: Only fits specific Bob-Cat models. No instructions: Installation might be tricky. OEM pricing: Higher cost than aftermarket options.

Perfect For:

This Genuine OEM RANSOMES/BOBCAT KNOB is perfect for anyone needing a reliable replacement part for their Bob-Cat equipment. It’s easy to install and fits perfectly, saving you time and hassle.

Ready to Purchase?

View Price on Amazon (paid link)

5. FOR TENNANT KNOB – FOUR PRONG 2.75D 1.1L M8X1.25 THRU HOLE 1015911

Tennant Knob is a truck-specific part. It has a four-prong design with 2.75D and 1.1L dimensions. The M8x1.25 thru hole ensures a secure fit.

Only the shown parts are included. Colors may vary based on available stock.

Pros	Cons
Perfect fit for Tennant trucks with M8x1.25 thru hole. Durable four-prong design ensures reliable performance. Truck-specific part for seamless compatibility. Only shown parts included for clear expectations.	Limited to Tennant models, not universal. Colors may vary, not guaranteed as shown. Only shown parts included, no extras.

Perfect For:

This product is perfect for Tennant equipment users who need a reliable replacement knob. It fits specific truck models and includes only the parts shown. It’s a great choice for anyone looking to maintain their machines easily.

Ready to Purchase?

View Price on Amazon (paid link)

6. ACTIVLIFE for Davies 2830-D Four Prong Knob, for CLAMP Knob, 5/16-18 Size, 1.51″ L, Hr Phenolic

ACTIVLIFE offers a durable four-prong knob designed for Davies 2830-D and CLAMP Knob applications. It fits 5/16-18 size threads perfectly. Made from HR phenolic material, it ensures longevity and reliability.

This 1.51-inch knob is ideal for precise adjustments in industrial settings. Its premium quality enhances performance and durability. Perfect for upgrading your equipment with ease.

For complete satisfaction, visually inspect the parts in the photo. Ensure they match the provided dimensions before use.

Pros	Cons
Four prong design ensures precise adjustments for your equipment. HR phenolic material offers longevity and reliability. Compatible with 5/16-18 size, perfect for industrial applications. Upgrade your mowing with premium lawnmower parts.	Limited to specific Davies model, not universal. No color or style options available. Visual inspection required, no guarantee of fit.

Perfect For:

Perfect for anyone needing a durable, precise knob for industrial or lawnmower use.

Ready to Purchase?

View Price on Amazon (paid link)

7. Hard-to-Find Fastener 014973135959 4-Prong Thru Hole Knob, 6mm-1.0 x 1-3/4, Piece-4

The Hard-to-Find Fastener 014973135959 is a 4-Prong Thru Hole Knob. It comes in a pack of 4 pieces. This knob is durable and reliable.

It has a 6mm diameter and a 1-3/4 inch length. The material is steel, making it strong. The finish is zinc with black plastic, giving it a sleek look.

This knob has a 1.0mm coarse thread type. It is easy to install and perfect for various projects. Get this hard-to-find fastener for your needs.

Pros	Cons
Durable steel ensures long-lasting use for your projects. Zinc/black finish resists rust and adds sleek style. Precise 6mm diameter fits perfectly in tight spaces. Coarse thread provides strong, secure fastening every time.	Limited color options for customization. No bulk packaging available. Not suitable for heavy-duty applications.

Perfect For:

This 4-prong thru hole knob is perfect for anyone needing a strong, durable fastener. It’s ideal for furniture, machinery, or DIY projects where a secure grip and reliable hold are key.

Ready to Purchase?

View Price on Amazon (paid link)

8. Hillman 4-Prong Clamping Knob 1.75 Inch” Dia for M8 Screw 2 Pack 55442

The Hillman 4-Prong Clamping Knob is a handy tool for your projects. It comes in a pack of two, so you have a spare. Each knob is 1.75 inches across.

This product is made in the United States. It fits an M8 screw, making it versatile. The compact packaging is easy to store.

The clamping knob is simple to use. It’s durable and reliable for various tasks. Get yours today and tackle your projects with ease.

Pros	Cons
Made in USA, ensuring quality and reliability. Compact packaging, easy to store and handle. Fits M8 screws, perfect for secure clamping. 2-pack value, great for multiple projects.	Limited screw compatibility with only M8 screws. No color options available for customization. Small pack size may not meet larger project needs.

Perfect For:

The Hillman 4-Prong Clamping Knob is perfect for DIY enthusiasts and home repair lovers. It’s easy to use and fits M8 screws, making it great for quick fixes.

Ready to Purchase?

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9. CL-40-PPK-4 Carr Lane Manufacturing Four Prong Knob, Phenolic, Tapped: Thread 1/2-13

The CL-40-PPK-4 is a four prong knob made by Carr Lane Manufacturing. It’s built from phenolic material, which is strong and durable.

This knob has clear dimensions: A: 2-1/4, B: 1-1/8, C Diameter: 1, D: 9/16. It’s tapped with a 1/2-13 thread for easy installation.

Its simple design makes it easy to grip. It’s a reliable choice for any project needing a sturdy knob.

Pros	Cons
Durable phenolic material ensures long-lasting performance. Four-prong design provides secure grip and easy handling. Tapped 1/2-13 thread allows quick installation and compatibility. Compact size (2-1/4″ A) fits tight spaces effortlessly.	Limited thread size: only 1/2-13 available. No color options: standard phenolic finish only. Fixed dimensions: A, B, C, D, E cannot be customized.

Perfect For:

The CL-40-PPK-4 Four Prong Knob is perfect for anyone needing a durable, threaded knob for their projects. Its phenolic material and 1/2-13 thread make it ideal for machinery, tools, or equipment.

Ready to Purchase?

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10. 3 Dia., 1/4-28 thds., Four Prong Plastic Knob w/Black Thermoplastic Thru Hole Brass Insert (1 Each)

The DimcoGray plastic knob is a durable and reliable choice. It has a black thermoplastic design. This knob is easy to install and use.

Its brass insert ensures a secure fit. The 1/4-28 threads make it compatible with many applications.

This Reid Supply Company product is lightweight at 0.06 pounds. It is ideal for home improvement projects. Get one to upgrade your equipment.

Pros	Cons
Durable plastic knob with strong brass insert for long-lasting use. Easy to install with standard 1/4-28 threads for quick setup. Sleek black design fits any home improvement project seamlessly. Lightweight at 0.06 pounds, making it effortless to handle.	Limited color options – Only available in black. No size variations – Fixed 3 Dia. size may not fit all needs. Single unit purchase – Sold individually, not in bulk.

Perfect For:

This knob is perfect for anyone needing a simple, strong handle for home projects or repairs. Its black plastic design and brass insert make it durable and easy to use.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Four prong knobs are essential tools for many projects. They offer a secure grip and easy adjustments. These knobs are versatile and durable, making them a must-have for any toolbox.

Choosing the right four prong knob can make your projects smoother and more efficient. We’ve tested and reviewed the best options to help you find the perfect fit. From OEM parts to hard-to-find fasteners, our guide has you covered.

Here are the key factors to consider when buying four prong knobs:

Material:
Choose knobs made from durable materials like phenolic, steel, or thermoplastic. These ensure longevity and reliability in various applications.
Thread Size:
Check the thread size (e.g., 1/4-20, 5/16-18, M8) to ensure compatibility with your screws or equipment.
Diameter and Height:
Consider the diameter and height of the knob for a comfortable grip and proper fit in your project.
Finish:
Look for knobs with a durable finish, such as painted, zinc, or high gloss, to resist wear and tear.
Temperature Resistance:
If your project involves extreme temperatures, choose knobs with a wide temperature range (e.g., -30 to 400 F).
Pack Quantity:
Decide if you need a single knob or a multi-pack for multiple projects or spares.
Brand and Quality:
Opt for trusted brands like Bobcat, Big Horn, or Carr Lane for reliable and high-quality products.
Application:
Ensure the knob is designed for your specific use, such as mower decks, industrial clamps, or home improvement.

With these factors in mind, you’ll find the perfect four prong knob for your needs. Upgrade your toolbox and tackle projects with confidence!